/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundFrontendTransform.h
Adds or swaps document members (inputs, outputs) and removing any document members where necessary and adding those missing.
class FModifyRootGraphInterfaces : public [Metasound::Frontend::IDocumentTransform](API\Plugins\MetasoundFrontend\IDocumentTransform)